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| LinuxSecurity.com Weekly Newsletter |
| June 13th, 2008 Volume 9, Number 24 |
| |
| Editorial Team: Dave Wreski <dwreski@private> |
| Benjamin D. Thomas <bthomas@private> |
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Thank you for reading the LinuxSecurity.com weekly security newsletter.
The purpose of this document is to provide our readers with a quick
summary of each week's most relevant Linux security headlines.
This week advisories were released for type3, mt-daapd, xorg-server,
imlib2, tomcat, kernel, gnome-panel, nautilus, evolution, perl, xfree,
ucd-snmp, openssl-blacklist, and OpenVPN. The distributors include
Debian, Gentoo, Mandriva, Red Hat, and Ubuntu.
---
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In each issue you can find information concerning typical use of Linux:
safety, databases, multimedia, scientific tools, entertainment,
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---
Review: The Book of Wireless
----------------------------
=93The Book of Wireless=94 by John Ross is an answer to the problem of
learning about wireless networking. With the wide spread use of Wireless
networks today anyone with a computer should at least know the basics of
wireless. Also, with the wireless networking, users need to know how to
protect themselves from wireless networking attacks.
http://www.linuxsecurity.com/content/view/136167
---
April 2008 Open Source Tool of the Month: sudo
----------------------------------------------
This month the editors at LinuxSecurity.com have chosen sudo as the Open
Source Tool of the Month!
http://www.linuxsecurity.com/content/view/135868
--> Take advantage of the LinuxSecurity.com Quick Reference Card! <--
--> http://www.linuxsecurity.com/docs/QuickRefCard.pdf <--
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* EnGarde Secure Community 3.0.19 Now Available! (Apr 15)
-------------------------------------------------------
Guardian Digital is happy to announce the release of EnGarde Secure
Community 3.0.19 (Version 3.0, Release 19). This release includes many
updated packages and bug fixes and some feature enhancements to the
EnGarde Secure Linux Installer and the SELinux policy.
http://www.linuxsecurity.com/content/view/136174
--------------------------------------------------------------------------
* Debian: New typo3 packages fix several vulnerabilities (Jun 12)
---------------------------------------------------------------
Because of a not sufficiently secure default value of the TYPO3
configuration variable fileDenyPattern, authenticated backend users
could upload files that allowed to execute arbitrary code as the
webserver user.
http://www.linuxsecurity.com/content/view/138527
* Debian: New mt-daapd packages fix several vulnerabilities (Jun 12)
------------------------------------------------------------------
Insufficient validation and bounds checking of the Authorization:
HTTP header enables a heap buffer overflow, potentially enabling
the execution of arbitrary code.
http://www.linuxsecurity.com/content/view/138526
* Debian: New xorg-server packages fix several vulnerabilities (Jun 11)
---------------------------------------------------------------------
Lack of validation of the parameters of the
SProcSecurityGenerateAuthorization SProcRecordCreateContext
functions makes it possible for a specially crafted request to trigger
the swapping of bytes outside the parameter of these requests,
causing memory corruption.
http://www.linuxsecurity.com/content/view/138473
* Debian: New imlib2 packages fix arbitrary code execution (Jun 11)
-----------------------------------------------------------------
Stefan Cornelius discovered two buffer overflows in Imlib's - a
powerful image loading and rendering library - image loaders for PNM
and XPM images, which may result in the execution of arbitrary code.
http://www.linuxsecurity.com/content/view/138466
* Debian: New tomcat5.5 packages cross-site scripting (Jun 9)
-----------------------------------------------------------
Tt was discovered that the Host Manager web application performed
insufficient input sanitising, which could lead to cross-site
scripting.
http://www.linuxsecurity.com/content/view/138230
* Debian: New Linux 2.6.18 packages fix overflow conditions (Jun 9)
-----------------------------------------------------------------
Wei Wang from McAfee reported a potential heap overflow in the
ASN.1 decode code that is used by the SNMP NAT and CIFS subsystem.
Exploitation of this issue may lead to arbitrary code execution.
This issue is not believed to be exploitable with the pre-built
kernel images provided by Debian, but it might be an issue for
custom images built from the Debian-provided source package.
http://www.linuxsecurity.com/content/view/138229
* Debian: New Linux 2.6.18 packages fix overflow conditions (Jun 9)
-----------------------------------------------------------------
Wei Wang from McAfee reported a potential heap overflow in the
ASN.1 decode code that is used by the SNMP NAT and CIFS subsystem.
Exploitation of this issue may lead to arbitrary code execution.
This issue is not believed to be exploitable with the pre-built
kernel images provided by Debian, but it might be an issue for
custom images built from the Debian-provided source package.
http://www.linuxsecurity.com/content/view/138223
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* Gentoo: Imlib 2 User-assisted execution of arbitrary code (Jun 9)
-----------------------------------------------------------------
Two vulnerabilities in Imlib 2 may allow for the execution of arbitrary
code.
http://www.linuxsecurity.com/content/view/138226
* Gentoo: Imlib 2 User-assisted execution of arbitrary (Jun 8)
------------------------------------------------------------
Two vulnerabilities in Imlib 2 may allow for the execution of arbitrary
code.
http://www.linuxsecurity.com/content/view/138222
--------------------------------------------------------------------------
* Mandriva: Updated kernel packages fix security issues (Jun 12)
--------------------------------------------------------------
The Datagram Congestion Control Protocol (DCCP) subsystem in the Linux
kernel 2.6.18, and probably other versions, does not properly check
feature lengths, which might allow remote attackers to execute
arbitrary code, related to an unspecified overflow. (CVE-2008-2358)
http://www.linuxsecurity.com/content/view/138528
* Mandriva: Updated gnome-panel packages fix various bugs (Jun 11)
----------------------------------------------------------------
The clock applet in GNOME could crash when using some specific
locations or when using updated timezone data. The Recent Documents
menu was not always able to start the right application for a specific
document.
http://www.linuxsecurity.com/content/view/138472
* Mandriva: Updated nautilus and gvfs packages fix regression (Jun 11)
--------------------------------------------------------------------
A regression was introduced in the Mandriva Linux GNOME package while
fixing CD-ROM drives ejecting when using the hardware button when the
CD-ROM drive was present in the system fstab. This regression caused
an error popup to appear when using the eject hardware button on CD-ROM
drives not present in the system fstab.
http://www.linuxsecurity.com/content/view/138465
* Mandriva: Updated Evolution packages fix vulnerabilities (Jun 10)
-----------------------------------------------------------------
Alan Rad Pop of Secunia Research discovered the following two
vulnerabilities in Evolution: Evolution did not properly validate
timezone data when processing iCalendar attachments.=09If a user
disabled the Itip Formatter plugin and viewed a crafted iCalendar
attachment, an attacker could cause a denial of service or potentially
execute arbitrary code with the user's privileges (CVE-2008-1108).
http://www.linuxsecurity.com/content/view/138358
* Mandriva: Updated Firefox packages fix vulnerabilities (Jun 6)
--------------------------------------------------------------
Security vulnerabilities have been discovered and corrected in the
latest Mozilla Firefox program, version 2.0.0.14. This update provides
the latest Firefox to correct these issues.
http://www.linuxsecurity.com/content/view/138110
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* RedHat: Important: openoffice.org security update (Jun 12)
----------------------------------------------------------
Updated openoffice.org packages to correct a security issue are now
available for Red Hat Enterprise Linux 4 and Red Hat Enterprise Linux
5. This update has been rated as having important security impact by
the Red Hat Security Response Team.
http://www.linuxsecurity.com/content/view/138618
* RedHat: Important: openoffice.org security update (Jun 12)
----------------------------------------------------------
It was discovered that certain libraries in the Red Hat Enterprise
Linux 3 and 4 openoffice.org packages had an insecure relative RPATH
(runtime library search path) set in the ELF (Executable and Linking
Format) header. A local user able to convince another user to run
OpenOffice in an attacker-controlled directory, could run arbitrary
code with the privileges of the victim.
http://www.linuxsecurity.com/content/view/138619
* RedHat: Important: perl security update (Jun 11)
------------------------------------------------
Updated perl packages that fix a security issue are now available for
Red Hat Enterprise Linux 3, 4, and 5. This update has been rated as
having important security impact by the Red Hat Security Response Team.
http://www.linuxsecurity.com/content/view/138471
* RedHat: Important: XFree86 security update (Jun 11)
---------------------------------------------------
Updated XFree86 packages that fix several security issues are now
available for Red Hat Enterprise Linux 3. This update has been rated as
having important security impact by the Red Hat Security Response Team.
http://www.linuxsecurity.com/content/view/138467
* RedHat: Important: xorg-x11 security update (Jun 11)
----------------------------------------------------
Updated xorg-x11 packages that fix several security issues are now
available for Red Hat Enterprise Linux 4. This update has been rated as
having important security impact by the Red Hat Security Response Team.
http://www.linuxsecurity.com/content/view/138468
* RedHat: Important: xorg-x11-server security update (Jun 11)
-----------------------------------------------------------
Updated xorg-x11-server packages that fix several security issues are
now available for Red Hat Enterprise Linux 5. This update has been
rated as having important security impact by the Red Hat Security
Response Team.
http://www.linuxsecurity.com/content/view/138469
* RedHat: Important: XFree86 security update (Jun 11)
---------------------------------------------------
Updated XFree86 packages that fix several security issues are now
available for Red Hat Enterprise Linux 2.1. This update has been rated
as having important security impact by the Red Hat Security Response
Team.
http://www.linuxsecurity.com/content/view/138470
* RedHat: Moderate: ucd-snmp security update (Jun 10)
---------------------------------------------------
Updated ucd-snmp packages that fix a security issue are now available
for Red Hat Enterprise Linux 2.1. A flaw was found in the way ucd-snmp
checked an SNMPv3 packet's Keyed-Hash Message Authentication Code
(HMAC). An attacker could use this flaw to spoof an authenticated
SNMPv3 packet. (CVE-2008-0960) This update has been rated as having
moderate security impact by the Red Hat Security Response Team.
http://www.linuxsecurity.com/content/view/138356
* RedHat: Moderate: net-snmp security update (Jun 10)
---------------------------------------------------
Updated net-snmp packages that fix a security issue are now available
for Red Hat Enterprise Linux 3, 4, and 5. A buffer overflow was found
in the Perl bindings for Net-SNMP. This could be exploited if an
attacker could convince an application using the Net-SNMP Perl module
to connect to a malicious SNMP agent. (CVE-2008-2292)
http://www.linuxsecurity.com/content/view/138357
--------------------------------------------------------------------------
* Ubuntu: X.org vulnerabilities (Jun 13)
---------------------------------------
It was discovered that the MIT-SHM extension of X.org did not correctly
validate the location of memory during an image copy. An authenticated
attacker could exploit this to read arbitrary memory locations within
X, exposing sensitive information. (CVE-2008-1379)
http://www.linuxsecurity.com/content/view/138620
* Ubuntu: openssl-blacklist update (Jun 12)
------------------------------------------
USN-612-3 addressed a weakness in OpenSSL certificate and key
generation in OpenVPN by introducing openssl-blacklist to aid in
detecting vulnerable private keys. This update enhances the
openssl-vulnkey tool to check Certificate Signing Requests, accept
input from STDIN, and check moduli without a certificate. It was also
discovered that additional moduli are vulnerable if generated with
OpenSSL 0.9.8g or higher. While it is believed that there are few of
these vulnerable moduli in use, this update includes updated RSA-1024
and RSA-2048 blacklists. RSA-512 blacklists are also included in the
new openssl-blacklist-extra package.
http://www.linuxsecurity.com/content/view/138529
* Ubuntu: OpenVPN regression (Jun 12)
------------------------------------
USN-612-3 addressed a weakness in OpenSSL certificate and key
generation in OpenVPN by adding checks for vulnerable certificates and
keys to OpenVPN. A regression was introduced in OpenVPN when using TLS
with password protected certificates which caused OpenVPN to not start
when used with applications such as NetworkManager.
http://www.linuxsecurity.com/content/view/138530
* Ubuntu: Evolution vulnerabilities (Jun 6)
------------------------------------------
Alin Rad Pop of Secunia Research discovered that Evolution did not
properly validate timezone data when processing iCalendar attachments.
If a user disabled the ITip Formatter plugin and viewed a crafted
iCalendar attachment, an attacker could cause a denial of service or
possibly execute code with user privileges. Note that the ITip
Formatter plugin is enabled by default in Ubuntu. (CVE-2008-1108)
http://www.linuxsecurity.com/content/view/138212
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